Genetics vocabulary

Front

Punnett square

Back

A diagram that shows the possible offspring of two parents.

Tags

NGSS.MS-LS3-2

Front

Genotype

Back

The genetic makeup of an organism.

Tags

NGSS.HS-LS1-1

Front

Phenotype

Back

The physical appearance of an organism.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

Homozygous

Back

Having two alleles that are the same.

Front

Heterozygous

Back

Having two alleles that are different.

Tags

NGSS.HS-LS3-2

Front

Allele

Back

One of two or more forms that a gene could take.

Front

Dominant allele

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

Recessive allele

Back

An allele that expresses its trait only when two copies are present.

Front

Trait

Back

A characteristic or feature of an organism, often determined by genetics.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

Chromosome

Back

A structure made of DNA that contains genes.

Tags

NGSS.HS-LS3-1